KEYENCE KV-N3AM Analog I/O Unit, voltage and current Input 2ch, voltage and current Output 1ch

Conversion speed

80 µs/channel^*1

Conversion

A/D conversion, D/A conversion

Points

A/D conversion : 2 (single end), D/A conversion : 1

Range/resolution

Voltage

-10 V to +10 V

A/D conversion : 1/8000 2.5 mV, D/A conversion : 1/8000 2.5 mV^*2

0 to 10 V

A/D conversion : 1/4000 2.5 mV, D/A conversion : 1/4000 2.5 mV^*2

0 to 5 V

A/D conversion : 1/4000 1.25 mV, D/A conversion : 1/4000 1.25 mV^*2

1 to 5 V

A/D conversion : 1/3200 1.25 mV, D/A conversion : 1/4000 1.25 mV^*2

Current

0 to 20 mA

A/D conversion : 1/4000 5 µA, D/A conversion : 1/4000 5 µA^*2

4 to 20 mA

A/D conversion : 1/3200 5 µA, D/A conversion : 1/3200 5 µA^*2

Conversion precision

Voltage

Without temperature
compensation

A/D conversion : ±0.3% of F.S. (at 25°C ±5°C), ±0.5% of F.S. (at 0 to 55°C), D/A conversion : ±0.3% of F.S. (at 25°C ±5°C), ±0.5% of F.S. (at 0 to 55°C)

With temperature
compensation

A/D conversion : ±0.3% of F.S. (at 25°C ±5°C), D/A conversion : ±0.3% of F.S. (at 25°C ±5°C), ±0.5% of F.S. (at 0 to 55°C)

Current

Without temperature
compensation

A/D conversion : ±0.4% of F.S. (at 25°C ±5°C), ±0.6% of F.S. (at 0 to 55°C), D/A conversion : ±0.3% of F.S. (at 25°C ±5°C), ±0.5% of F.S. (at 0 to 55°C)

With temperature
compensation

A/D conversion : ±0.4% of F.S. (at 25°C ±5°C), D/A conversion : ±0.3% of F.S. (at 25°C ±5°C), ±0.5% of F.S. (at 0 to 55°C)

Input resistance

Voltage

A/D conversion : 5MΩ

Current

A/D conversion : 250MΩ

Absolute maximum input

Voltage

A/D conversion : ±15V

Current

A/D conversion : ±30mA

Isolation method

Between analogue input

Isolated (photocoupler, transformer)

A/D , D/A conversion unit

Isolation method

Between Analogue input - output

Non-isolated

Isolation method

Between analogue input channels

A/D conversion : Non-isolated

Minimum load resistance

Voltage

D/A conversion : 1kΩ

Maximum load resistance

Current

D/A conversion : 600kΩ

Special functions

▼A/D conversion
Input range switching,
temperature fluctuation compensation enabling/disabling,
channel skip, scaling, special data offset,
peak-/bottom-hold, zero clip, zero shift, comparator,
averaging (time-specified, count-specified, moving average),
disconnection detection
▼D/A conversion
Output range switching, output data offset,
scaling, error hold,
upper/lower limit alarm, output limit,
channel skip, output in PROG mode

Internal current consumption

120mA or less

Weight

200 g

^*1 When the temperature fluctuation compensation is used, the temperature fluctuation compensation time of 80 µs will be added regardless of the number of channels being used.
^*2 For the possible measuring range for out-of-range input, refer to “A/D and D/A conversion table” in “KV-N3AM User's Manual.”